Audited Supplier
steam
16MW
Synchronous Generator
AC Three Phase
ISO
Standard
Nanjing
Standard
3x16mw
China
Product Description
2.1. Steam turbine specification
- Manufacturer: Nangjiang Steam Turbine motor Factory
- Manufacturering Date :2005
- Model:C12-4.90/0.490-2
- Rated Power:12MW
- Max Power :15MW
- Rated Speed:3000 r/min
- Steam Pressure:Rated Pressure: 4.9 Mpa;Max: 5.1 Mpa;Min 4.61 Mpa
- Steam Temperature:Rated Tem: 470 ºC;Max 480 ºC;Min 455 ºC
- Exhaust Steam Pressure:0.0047 Mpa at Rated Working Condition
- Steam Rotary Direction:Clockwise face to head of machine
- Criticality Speed:1665 r/min
- Permissional Max Vibration over critical speed::0.15 mm
- Rated Steam turbine bearing permission max vibration:0.05 mm
- Rated Extraction Pressure of Steam turbine:0.8 Mpa
- Extraction Pressurec Changeable Range:0.392 - 0.9 Mpa
- Rated Extraction Capacity of Steam Turbine:50 t/h
- Max Extraction Capacity of Steam Turbine::80 t/h
- Regenerative Extraction Specification at Rated working condition:
| unit | Second stage | Third stage | Fouth stage | |
| Extraction Pressure | Mpa | 0.8 | 0.137 | 0.0279 |
| Extraction Tempreture | ºC | 300 | 230 | 68 |
| Extraction Flux | t/h | 50 | 2.564 | 1.118 |
- Regenerative Extraction Specification at Pure Condensation working condition:
| Unit | Second Stage | Third stage | Fouth Stage | |
| Extraction Pressure | Mpa | 0.7141 | 0.1903 | 0.0665 |
| Exteaction Tempreture | ºC | 279 | 158 | 88.5 |
| Extraction Flux | t/h | 4.907 | 1.154 | 3.766 |
- Action Pressure of exhaust cylinder safety valve:0.078 Mpa
- Boiler Feed water temperature:145 ºC
- Steam Loss of Steam Turbine at Rated Working Condition:6.424 kg/kwh
- (Guaranteed Value)6.617 kg/kwh
- Thermal Loss of Steam Turbine at Rated Working Condition:7173 KJ/kwh
- (Guranteed Value) 7388 KJ/kwh
- Steam Loss at Pure Condensing Working Condition:4.155 kg/kwh
- (Guranteed Value)4.28 kg/kwh
- Thermal Loss of Steam Turbine at Pure condensing Condition:11213 KJ/kwh
- (Guranteed Value)11549 KJ/kwh
- Wegith of steam turbine body:58 t
- Including of disconnect plat :15 t
- Rotary unit :7.5 t
- Max Size of Steam Turbine(L×W×H):6021×3590×3635 mm
1.Steam Seal Heater
Model: JQ - 10/20
Working Steam Pressure : 1.18 - 2.45 Mpa
Working Steam Temperature: 470 ºC
Working Steam Flux: 70 kg/h
Cooling Water Flux: 30 t/h
Cooling water max Pressure: 0.59 Mpa
2.Condeser
Type : Divided into two-way surface type
Cooling Area: 1000 m
Cooling Water: 2835 t/h
Max permicision pressure in water room: 0.35 Mpa
Water Resistor: 26.5 Kpa
Weight without water: 23 t
3.Cooling oil unit
Model: YL - 40
Cooling area: 40 m
Oil flux: 800 L/min
Cooling watwe flux: 117.5 t/h
Water resistance: 11.6 Kpa
Oil resistance: 20 Kpa
4.High Pressure Heater
Exchang heating area: 100 m
Design Steam Pressure: 1.18 Mpa
Design Water Pressure: 8.6 Mpa
5.Low Pressure Heater
Exchange Heating area: 50 m
Design Steam Pressure: 0.118 Mpa
Design Water Pressure: 0.48 Mpa
6.Deaerator
Output : 40 t/h
Working pressure: 0.12 Mpa
Working temperature: 104 ºC
Effective volume of water tank: 20 m
7.Water ejector
Working water flux: 170 m/h
Working water pressure: 0.417 Mpa
Extracting steam flux: 7.9 kg/h
8.Lower temperature redusing pressure unit
P= 5.4 Mpa
P= 0.7 Mpa
t= 485 ºC
t= 250 ºC
Q= 80 t / h
9.Continuous discharge container
Model: PL-3.5-1
Workign Pressure: 0.3 Mpa
Effective volume: 3.5 m
10.Slow bridge double hook crane :
G = 20 / 5 t
H = 14.7 m
S = 16.5 m
Power : 23.4 KW
11.Oil tank
Effective volume: 7.2 m
12.Ejecting water tank:
Effective volume: 3 m
13.Drain water tank
Effective volume: 20 m
14.Cycle water Pump:
Model : 500S-22A
Rated current : 246 A
Rate flux: 1800 m/h
Lift : 17 m
Cavitation allowance: 5 m
rotary speed: 970 r/m
motor model : Y315M-6
motor rated power :132 KW
15.Extinguishing water pump:
Model: IS125-100-250A
Rated current : 102.6 A
Current flux : 172.6 m/h
Lift : 59.5 m
Cavitation allowance: 4.2 m
Spped rotary : 2900 r/m
Motor modle : Y250M-2
Motor rate power : 55 KW
16.Drain water pump
Model : IS65-40-200
Rated current : 15.0 A
Raed flux : 25 m/h
Lift : 50 m
Cavitation allowance : 8 m
Speed rotary : 2900 r/m
Motor model : Y132S2-2
Motor rated power : 7.5 KW
17.High Pressure AC OIL pump
Model : 100Y-120A
Rated Current : 102.6 A
Rated flux : 93 m/h
Lift : 105 m
Cavitation allowance : 4.5 m
Rotary speed : 2950 r/m
Motor model : Y250m-2
Motor rated power : 55 KW
18.DC OIL pump
Model: 2CY-18/3.6
Rated current : 30.5 A
Rated flux : 18 m/h
Output pressure : 0.36 Mpa
Speed rotary : 960 r/m
Motor model: Z2-61
Motor rated power : 5.5 KW
Excitation type : shunt excitation
Excitation pressure : 22.0 V
Excitation Current: 0.805 A
19.Lower Pressure AC oil Pump:
Model : 2CY-18 / 3.6
Rated current : 12.6A
Rated Flux : 18 m/h
Out put : 0.36 Mpa
Rotary speed: 960 r/m
Motor model : Y132M2-6
Motor rated power : 5.5 KW
20. 1, 3, 4 ejecting water pump
Motor : IS150-125-400
Rate current: 84.2 A
Rated flux : 200 m/h
Lift : 50 m
Cavitation allowance : 2.8 m
Rotary sppd: 1450 r/m
Motor model : Y225M-4
Motor rated power : 45 KW
21. 2, 5, 6 ejecting water pump
Model : IS100-65-200
Rated current : 42.2 A
Rated flux: 100 m/h
Lift : 50 m
Cavitation allowance: 3.6 m
Rotary speed : 2900 r/m
Motor Model : Y180M-2
Motor power : 22 KW
22.Condensing water pump
Model : 4N6
Rated current : 42.2 A
Rated flux : 40 m/h
Lift : 62 m
Cavitation allowance : 1.6 m
Rotary speed : 2950 r/m
Motor model : Y180M-2
Motor rated power : 22 KW
23. 1, 2, 3, 5 # feed water pupm
Model : DG85-80×10
Rated current : 40 A
Rated flux : 85 m/h
Lift : 800 m
Cavitation allowance : 4.5 m
Rotary speed : 2950 r/m
Motor model : JK134-2
Motor rated power : 350 KW
Motor rated voltage : 6000 V
24. 4 # feed water pump
Model : DG45-80×10
Raged current : 387 A
Rated flux : 45 m/h
Lift : 800 m
Cavitation allowance : 4 m
Rotary speed : 2950 r/m
Motor model : JK123-2
Motor rated power : 220 KW
Motor rated voltage : 380 V
4, Specificaiton of Generator and Exciter
1.Generator
Manufacturer :Najing Steam tubine motor factory
Model : QF2-15-2
Power : 15000 MW
Power factor : 0.85
Rate voltage : 6300 V
Stator current : 161.7 A
Rotator current : 264.5 A
Permissional temperature rise of generator stator : 100 ºC
2.Air cooling unit
Model : LRW-360
Capacity of heat radiating 360 KW
Cooling air volume : 10 m/S
Cooling water volume : 100 m/h
3.Excitor
Manufacturer :Najing Steam tubine motor factory
Model : ZLG-70-30
Power 70 KW
Rated voltage: 220 V
Current : 318 A
5, Specification of Regulation and Security System
| SN | ITEM | SPECIFICAITON | UNIT | REMARK |
| 1 | STEAM TURBINE RATED ROTARY SPEED | 3000 | r / min | |
| 2 | ROTARY SPPED UNEQUAL RATE | 5 ±1 | % | |
| 3 | REGULATING VOLTAGE UNEQUAL TATE | < 20 | % | |
| 4 | REGUALTING SPEED SLOW RATE | < 0.5 | % | |
| 5 | SYNCHRONIZER REGULATING RANGE WITHOUT LOAD | 96 ~ 106 | % | 2880~3180 RNP TURN/MINUTS |
| 6 | REGUALTING RANGE | 0.39~ 0.69 | Mpa | |
| 7 | MAX RISED SPEED WITH LOAD | < 3270 | r / min | |
| 8 | INPUT OIL PRESSURE OF MAIN IMPLUSE PUMP | 0.1 | Mpa | |
| 9 | OIL OUTPUT REESSURE OF MAIN PUMP | 1.08 | Mpa | |
| 10 | RATE OUTPUT OIL PRESSURE OF IMPLUSE PUMP | 0.69 | Mpa | |
| 11 | FIRST IMPLUSE OIL CIRCUIT PRESSURE | 0.39 | Mpa | |
| 12 | SECOND IMPULSE OIL CIRCUIT PRESSURE | 0.34 | Mpa | |
| 13 | MOTIVE STROKE OF HIGH PRESSURE OIL WITHOUT LOAD | 11.59 | mm | |
| 14 | MOTIVE STROKE OF HIGH PRESSURE OIL WITH LOAD | 59.66 | mm | |
| 15 | MOTIVE STROKE OF HIGH PRESSURE OIL WITH RATED THERMAL LOAD | 90.06 | mm | |
| 16 | MAX MOTIVE STROKE OF HIGH PRESSURE OIL | 136 | mm | |
| 17 | MOTIVE STROKE OF LOW PRESSURE OUL WITHOUT LOAD | 0 | mm | |
| 18 | MOTIVE STROKE OF LOW PRESSURE OIL WITH ELECTRICITY LOAD | 89.17 | mm | |
| 19 | MOTIVE STROKE OF LOW PRESSURE OIL WITH THERMAL LOAD | 31.7 | mm | |
| 20 | MAX MOTIVE STROKE OF LOW PRESSURE OIL | 89.5 | mm | |
| 21 | MOTIVE SPEED OF CRISIS INTERRUPTER | 3270-3330 | r / min | STOP MACHINE |
| 22 | RECOVRY SPEED OF CRISIS INTERUPTER | 3055 ± 15 | r / min | MANUAL RECOVERY |
| 23 | MOTIVE SPEED OF CRISIS INTERRUPTER WHEN OIL SPOUTING TEST | 2920 ± 30 | r / min | |
| 24 | STOP ROTARY SPEED WHEN OVER SPEED IN DIGITAL METER | 3360 | r / min | |
| 25 | AXIAL DISPLACEMENT FORWARD ALARM VALUE | + 0.8 | mm | |
| 26 | AXIAL DISPLANCEMENT FORWARD STOP VALUE | + 1.0 | mm | |
| 27 | AXIAL DISPLACEMENT NEGATIVE STOP VALUE | - 1.2 | mm | |
| 28 | LOW VACUUM ALARM VALUE OF CONDENSER | - 0.087 | Mpa | 661 mmHg |
| 29 | LOW VACUUM STOP VALUE OF CONDENSER | - 0.061 | Mpa | 464 mmHg |
| 30 | AXLE BUSH BACK TEMPERATURE ALARM VALUE | 65 | ºC | |
| 31 | AXLE BUSH BACK TEMPERATURE STOP VALUE | 75 | ºC | |
| 32 | AXLE BUSH BEARING TILE TEMPERATURE ALARM VALUE | 100 | ºC | |
| 33 | AXLE BUSH BEARING TILE TEMPERATURE STOP VALUE | 110 | ºC | |
| 34 | OUTPUT OILLOW PRESSURE ALARY OF MAIN OIL PUMP | 0.9 | Mpa | AC PUMP WORKING,,ALARM |
| 35 | LUBE OIL PRESSURE LOWER | 0.05-0.055 | Mpa | AC PUMP WORKING ,ALARM |
| 36 | LUBE OIL PRESSURE LOWER | 0.04 | Mpa | DC PUMP OWKRING ,ALARM |
| 37 | LUBE OIL PRESSURE LOWER | 0.02 ~ 0.03 | Mpa | STOP |
| 38 | LUBE OIL PRESSURE LOWER | 0.015 | Mpa | STOP MECHAINSM |
| 39 | LUBE OIL RRESSURE RISE | 0.12 | Mpa | (0.15Mpa)STOP AC PUMP,ALARM |
| 40 | MAIN STEAM HIGH PRESSURE ALARM VALUE | > 5.1 | Mpa | |
| 41 | MAIN STEAM HIGH TEMPREAURE ALARM VALUE | 470>DESIGNING+10 | ºC | |
| 42 | VALVE SHUT TIME OF MAIN STEAM AND EXTRACTING | < 1 | S |
